The new expanded version 4 contains more than 200 MATLAB code files. A 200-page user's guide and reference manual presents detailed documentation for each module and program included in the library, along with a complete reference table. There are more than 31 fully explained examples (in excess of 80 pages) with input and output data, and generated plots. In addition, supporting sources files for all examples are included with the product. A free demo, complete list of functions, and general presentation are available upon request.